Coral Reef Ecology. Hard corals form the backbone of the coral reef ecosystem, providing an intricate three-dimensional structure with hiding places and habitat for thousands of species of fish, invertebrates like clams, shrimp, sea stars, sponges, and anemones, sea turtles, and many other animals.
Sponsored Topics. Millbrae is a city in San Mateo County, California, United States, just west of San Francisco Bay, with San Bruno on the north and Burlingame on the south. The population was 21,532 at the 2010 census. Darius Ogden Mills purchased land in the 1860s from the Sanchez family to build a country estate.
Mill Valley is a city in Marin County, California, United States, located about 14 miles (23 km) north of San Francisco via the Golden Gate Bridge. The population was 13,903 at the 2010 census. Mill Valley is located on the western and northern shores of Richardson Bay, and the eastern slopes of Mount Tamalpais.